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Finding the Fourth Proportional to 3,462.59, 5,191.00 and 1,612.76

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Solution

The fourth proportional to 3,462.59, 5,191.00 and 1,612.76 is: 2,417.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.59 : 5,191.00 = 1,612.76 : x
  2. Step 2: Convert to fraction form
    3,462.59/5,191.00 = 1,612.76/x
  3. Step 3: Cross multiply
    3,462.59x = 5,191.00 × 1,612.76
  4. Step 4: Simplify right side
    3,462.59x = 8,371,807.17
  5. Step 5: Solve for x
    x = 8,371,807.17/3,462.59
  6. Step 6: Final answer
    x = 2,417.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.